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Jena &ndash; A Semantic Web Framework for Java
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<p>Jena is a Java framework for building
<a href="http://www.w3.org/2001/SW/">Semantic Web</a>
applications. It provides a programmatic environment for
<a href="http://www.w3.org/RDF/">RDF</a>, 
<a href="http://www.w3.org/TR/rdf-schema/">RDFS</a> and
<a href="http://www.w3.org/2001/sw/WebOnt/">OWL</a>,
<a href="http://www.w3.org/TR/rdf-sparql-query/">SPARQL</a> and includes a rule-based inference engine.
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Jena is <a href="http://www.opensource.org/">open source</a> and grown out of work with the 
<a href="http://www.hpl.hp.com/semweb/">HP Labs Semantic Web Programme</a>.
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<p>The Jena Framework includes:
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<li>A RDF API</li>
<li>Reading and writing RDF in RDF/XML, N3 and N-Triples</li>
<li>An OWL API</li>
<li>In-memory and persistent storage</li>
<li><a href="http://www.w3.org/TR/rdf-sparql-query/">SPARQL</a> query engine</li>
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<p>Support is provided by the
<a href="mailto:jena-users@incubator.apache.org">jena-users</a>
mailing list.</p>

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